STS-7

**STS-7**
Organization	NASA-OfficeofSpaceScienceApplications(UnitedStates),NASA-Office of Space Flight (United States),BundesministeriumfuerForschungundTecnnologie(FederalRepublicofGermany)
Mission type	Human Crew,Microgravity
Launch date	June 18, 1983
Launch vehicle	Space Shuttle
Launch site	Cape Canaveral, United States
COSPAR ID	1983-059A
Inclination	28.45 degrees
Experiments	Here
Alternate Names	OSTA 2/STS 7,14132
Additional Information	Here
Data Collection	Here
Payload Mass Up	16817 kg
Payload Mass Down	10079.55 kg
Orbiter	Challenger
Lift Off Mass	2,037,382.27 kg
Orbiter Weight at Liftoff	113,262.73 kg
Orbiter Weight at Landing	92,746.82 kg
Landed	Runway 15 dry lake bed at Edwards Air Force Base, Calif.
Orbits of Earth	97
Orbital Altitude	160 nautical miles (184 statute miles)

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[edit] Crew

Commander: Robert L. Crippen
Pilot: Frederick H. Hauck
- Mission Specialist 1: Sally K. Ride
- Mission Specialist 2: John M. Fabian
- Mission Specialist 3: Norman E. Thagard

[edit] Mission

On the seventh flight of the Space Shuttle (STS-7), Challenger carried a five-person crew on its second trip into space. The mission objectives for the STS-7 were (1) to carry and perform the experiments on the Office of the Space and Terrestrial Application (OSTA-2) payload, (2) to carry and operate the experiment packages monodisperse latex reactor (MLR) and continuous flow electrophoresis system (CFES), (3) to deploy the Canadian communication satellite Telesat-F, (4) to deploy the Indonesian communication satellite PALAPA-B1, (5) to complete attached and detached experiments with the Shuttle Pallet Satellite (SPAS-01, NSSDC ID 83-059F), and (6) to conduct experiments on seven Get-Away-Special (GAS) payloads. The OSTA-2 payload shared the cargo bay with Telesat-F, PALAPA-B1, SPAS-01, and seven GAS self-contained payload canisters. The SPAS-01 was deployed following attached operations and was retrieved for return to the orbiter after completing free-flying operations. The MLR and the CFES were mounted in the middeck area. The OSTA-2 payload was the first in a series of planned orbital investigations of materials processing in space. The OSTA-2 comprised the Materials Experiments Assembly (MEA), developed and managed by the Marshall Center, and the Materialwissenschaftliche Autonome Experiments unter Schwerelosigkeit (MAUS), developed by the German Ministry for Research and Technology (BMFT). The MEA was a desk-size package carrying two experiment furnaces and an acoustic levitator; each was contained inside individual experiment containers. The experiments were vapor growth of alloy-type semiconductor crystals, liquid phase miscibility gap materials, and containerless processing of glass-forming melts. The MAUS consisted of three instruments; each was contained in a get-away-special (GAS) canister. Each cylindrical canister carried an experiment furnace, which was thermally insulated, and had its own service module. The MAUS experiments were two metallic dispersions and a solidification front.

[edit] Payload

Office of Space and Terrestrial Applications (OSTA)-2 experiments; deployment of PALAPAB1 communications satellite for Indonesia with Payload Assist Module (PAM)-D and Telesat-F communications satellite for Canada with PAM-D; German Shuttle Pallet Satellite (SPAS)-01; seven getaway specials (GAS); Monodisperse Latex Reactor (MLR); Continuous Flow Electrophoresis System (CFES)

Mission patch: